A phrase which can be used to describe a person as being very superficial, narcissistic, and/or egomaniacal. It is sometimes used after a person made an appearance on television or film.
See also: Hollywood
Your friend was only an extra in a local commercial and he is going Hollywood on us.
"I ain't Hollywood yet, I just did that movie to get a big ass check." Ludacris
on his role in the movie, Fast and the Furious